CN114497786B - Battery rack for container type energy storage power station and management method thereof - Google Patents
Battery rack for container type energy storage power station and management method thereof Download PDFInfo
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- CN114497786B CN114497786B CN202210159404.XA CN202210159404A CN114497786B CN 114497786 B CN114497786 B CN 114497786B CN 202210159404 A CN202210159404 A CN 202210159404A CN 114497786 B CN114497786 B CN 114497786B
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- 238000007726 management method Methods 0.000 title claims abstract description 28
- 238000004146 energy storage Methods 0.000 title claims abstract description 21
- 238000001931 thermography Methods 0.000 claims abstract description 42
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 238000009529 body temperature measurement Methods 0.000 claims abstract description 18
- 238000005192 partition Methods 0.000 claims abstract description 10
- 239000007789 gas Substances 0.000 claims description 17
- 230000017525 heat dissipation Effects 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 8
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 4
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000012855 volatile organic compound Substances 0.000 claims description 4
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000004861 thermometry Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000002159 abnormal effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000012800 visualization Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/482—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for several batteries or cells simultaneously or sequentially
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/627—Stationary installations, e.g. power plant buffering or backup power supplies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery rack for a container type energy storage power station and a management method thereof, wherein a main body of the battery rack comprises at least two side walls, and a plurality of groups of horizontally distributed partition boards are uniformly arranged between the side walls; the lower part of each baffle is correspondingly provided with a layer support for supporting the battery module, and the layer support is in sliding connection with the side wall through a sliding rail mechanism; the lower surface of each baffle is provided with a thermal runaway detection module and a guide rail, and a thermal imaging temperature measurement module is arranged above the guide rail; the thermal imaging temperature measuring module, the thermal runaway detection module and the control platform are electrically connected. Above-mentioned battery rack is through setting up thermal imaging temperature measurement module and the thermal runaway detection module in battery module top, can real-time supervision each battery module's battery temperature and situation to carry out battery thermal runaway characteristic gas detection more fast, avoided the battery module to pile up the detection hysteresis effect that brings, effectively improved real-time and the accuracy of result.
Description
Technical Field
The invention relates to the field of safe operation of batteries of energy storage power stations, in particular to a battery rack for a container type energy storage power station and a management method thereof.
Background
In the field of large-scale energy storage based on lithium ion batteries, single batteries are generally required to be combined into a battery module in series-parallel connection, and then the battery module is placed in a battery rack to form a battery cluster and placed in an energy storage power station container.
In recent years, the fire disaster of the energy storage power station is caused by the safety problem of the lithium ion battery, and in order to ensure the safe operation of the energy storage power station, the fire disaster environment in the container is detected in real time in the prior art so as to realize the fire disaster early warning and automatic fire extinguishing of the energy storage power station.
The prior art mainly detects the internal environment of the container to judge whether the thermal runaway risk exists. However, the number of battery monomers in the energy storage power station is large, and the battery modules are stacked in layers, so that the detection result often generates time delay, the real-time accurate battery thermal runaway characteristic cannot be obtained, and the safe operation of the energy storage power station is difficult to guarantee.
Disclosure of Invention
Aiming at the technical problems, the invention provides a battery rack for a container type energy storage power station and a management method thereof, which can acquire more accurate battery thermal runaway characteristics in real time.
In a first aspect, the present invention provides a battery rack, where a main body of the battery rack includes at least two side walls, and multiple groups of horizontally distributed separators are uniformly disposed between the side walls; wherein,,
a layer support for supporting the battery module is correspondingly arranged below each baffle plate, and the layer support is connected with the side wall in a sliding manner through a sliding rail mechanism;
the lower surface of each baffle is provided with a thermal runaway detection module and a guide rail, and a thermal imaging temperature measurement module is arranged above the guide rail;
the thermal imaging temperature measuring module, the thermal runaway detection module and the control platform are electrically connected.
Optionally, a heat dissipation module is further disposed on the lower surface of the partition board, and the heat dissipation module is electrically connected with the thermal runaway detection module.
Optionally, the guide rail is hollow, one end of the guide rail is closed, and the other end of the guide rail is connected with a fire-fighting pipeline; the upper surface of the guide rail is provided with a plurality of holes which are uniformly distributed, and the holes are used for spraying fire extinguishing agent provided by the fire-fighting pipeline.
Optionally, the thermal imaging temperature measurement module and the thermal runaway detection module are both provided with unique identification codes.
Optionally, a battery management unit connected to the battery module is respectively disposed on the front panel of each layer support.
Optionally, an electronic screen is further disposed on the front panel of the layer support, and the electronic screen is electrically connected with the corresponding battery management unit.
Optionally, the bottom plate upper surface of layer support is provided with the battery module fixed slot, and the lower surface is provided with the stiffening beam.
Optionally, the thermal runaway detection module includes a hydrogen sensor, a carbon monoxide sensor, and a volatile organic compound sensor.
In a second aspect, the present invention provides a container-type energy storage power station, in which a plurality of battery racks according to the first aspect are mounted in a container.
In a third aspect, the present invention further provides a battery rack management method, where the battery rack includes multiple layers of separators and a layer support corresponding to each separator; the layer support is used for supporting the battery module, a thermal runaway detection module, a heat dissipation module and a guide rail are arranged on the lower surface of the partition board, the interior of the guide rail is communicated with a fire-fighting pipeline, and a thermal imaging temperature measurement module is arranged above the guide rail;
the management method comprises the following steps:
respectively acquiring battery thermal imaging data acquired by the thermal imaging temperature measuring module and gas concentration data acquired by the thermal runaway detecting module;
when the battery thermal imaging data is higher than a preset temperature threshold, controlling a heat dissipation module to start running; at the same time, the method comprises the steps of,
and when the gas concentration data is higher than a preset concentration threshold value, controlling the fire-fighting pipeline to provide fire extinguishing agent through the guide rail.
Compared with the prior art, the invention has the beneficial effects that:
according to the battery frame, the battery temperature and the state of each battery module can be monitored in real time through the guide rail and the thermal imaging temperature measuring module which are arranged above the battery modules, so that abnormal batteries can be detected more quickly; meanwhile, the thermal runaway detection modules are arranged above the battery modules so as to detect the characteristic gas of the thermal runaway of the battery more quickly, thereby avoiding the influence of detection hysteresis caused by stacking of the battery modules and improving the real-time performance and accuracy of the result.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a block diagram of the overall structure of a battery rack provided by an embodiment of the present invention;
fig. 2 is a block diagram of a battery rack layer support according to an embodiment of the present invention;
FIG. 3 is a block diagram of a battery rack separator provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an energy storage power station according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, in a first aspect, an embodiment of the present invention provides a battery rack, where a main body of the battery rack includes at least two side walls 1, and a plurality of groups of horizontally distributed separators 2 are uniformly disposed between the side walls 1.
Wherein, each baffle 2 below corresponds and is provided with the layer support 4 that is used for bearing battery module 3, layer support 4 through slide rail mechanism 5 with lateral wall 1 sliding connection. Specifically, the upper surface of the bottom panel of the layer support 4 is also provided with a fixing groove 41 of the battery module 3, and the lower surface is provided with a reinforcing beam.
The lower surface of each baffle plate 2 is provided with a thermal runaway detection module 6 and a guide rail 7, and a thermal imaging temperature measurement module 8 is arranged above the guide rail 7; the thermal imaging temperature measuring module 8, the thermal runaway detecting module 6 and the control platform 9 are electrically connected.
In this embodiment, the thermal imaging temperature measurement module 8 may be an infrared temperature measurement thermal imaging camera, and the camera reciprocates along the guide rail 7, so as to record a more comprehensive battery state video and a battery thermal imaging temperature image of the corresponding battery module 3, thereby more rapidly detecting abnormal battery information and realizing real-time visualization of battery temperature and battery status.
The thermal runaway detection module 6 includes a hydrogen sensor, a carbon monoxide (CO) sensor and a Volatile Organic Compound (VOC) sensor for detecting thermal runaway characteristic gas information in the corresponding layer support 4.
By performing thermal runaway detection on each layer of trays 4, a faster and more accurate thermal runaway detection result can be obtained, avoiding the influence of detection data lag due to battery stacking.
In this embodiment, the thermal imaging temperature measurement module 8 and the thermal runaway detection module 6 are both provided with unique identification codes, so as to more quickly and accurately determine the specific position of the layer support 4 of the battery module 3 in which the abnormal condition occurs.
In this embodiment, a heat dissipation module 10 is further disposed on the lower surface of the partition board 2, and the heat dissipation module 10 is electrically connected to the thermal runaway detection module 6.
It can be understood that when the temperature of the battery in the layer of support 4 is higher than the preset temperature according to the thermal imaging temperature measurement module 8, the heat dissipation module 10 can be controlled to start to perform heat dissipation on the battery until the temperature of the battery is restored to a normal value, so as to ensure the operation safety of the battery. In particular, the heat dissipation module 10 may be provided as a fan.
In one embodiment, if the temperature of the battery is continuously increased and is higher than the set dangerous temperature, the control platform 9 will perform power-off treatment on the battery rack where the battery is located, and simultaneously control the audible and visual alarm arranged on the battery rack to alarm. After the power is off, when the temperature of the battery is recovered to a normal value, a technician can check and replace the battery.
The guide rail 7 is hollow, one end of the guide rail is closed, and the other end of the guide rail is connected with a fire-fighting pipeline; wherein, the upper surface of the guide rail 7 is provided with a plurality of holes which are uniformly distributed, and the holes are used for spraying fire extinguishing agent provided by the fire-fighting pipeline.
Specifically, when the value of the gas sensor in the thermal runaway detection module 6 starts to increase rapidly, it can be judged that the gas generated by the thermal runaway of the battery is emitted from the inside of the battery due to the explosion-proof valve of the battery in the corresponding layer support 4, so that the gas sensor responds, and at this time, the thermal runaway of the battery occurs, and a large-scale fire may be initiated.
Correspondingly, when the battery corresponding to the layer support 4 is determined to be out of heat according to the gas information detected by the thermal runaway detection module 6, the control platform 9 precisely sprays the fire extinguishing agent into the thermal runaway battery in the layer support 4 through the holes of the control guide rail 7 so as to cool and extinguish the thermal runaway battery, thereby avoiding fire and improving the safety performance.
As shown in fig. 3, the guide rail 7 may be laid on the lower surface of the partition board 2 with reference to the middle points of the lugs on two sides of the battery cells, so as to ensure that all the battery cells can be patrolled during the process of the infrared temperature measurement thermal imaging camera moving along the guide rail 7, effectively avoiding the limitation of shooting field of view when the battery is monitored by using the fixed camera in the prior art, and ensuring more comprehensive and accurate thermal imaging information of the battery.
It should be noted that, the above-mentioned laying manner of the guide rail 7 is only an example, the present invention is not limited to the laying manner of the guide rail 7, and other laying manners capable of fully inspecting the battery cells can be regarded as the protection scope of the present invention.
In this embodiment, the front panel of each layer support 4 is further provided with an electronic screen 11 and a battery management unit 12 (BMU) connected to the battery module 3, the electronic screen 11 is electrically connected to the battery management unit 12 of the corresponding layer support 4, and each battery management unit 12 is connected to a Battery Management System (BMS).
Considering that the equalization management of the charge and discharge of the battery in the prior art is mainly implemented through a battery management system, but this way usually equalizes the battery module 3, and cannot implement equalization of the battery cells, which is easy to cause inconsistency of the battery cells.
In this embodiment, the front panel of the layer support 4 is provided with the total positive and total negative electrodes of all the battery modules 3 in the layer support 4 and the battery management unit 12, and a display screen is also provided to be electrically connected with the battery management unit 12, so as to display the voltage value of the battery modules 3 of the layer support 4 in real time.
In another embodiment, a display screen is also provided in the control platform 9 for displaying the data provided by the thermal imaging thermometry module 8 and the thermal runaway detection module 6.
Referring to fig. 4, another embodiment of the present invention further provides a container-type energy storage power station, in which a plurality of the battery racks can be uniformly installed in the container, so as to perform safe and efficient management on the battery modules 3 in the battery racks.
The use and management method of the battery rack will be described below by way of one embodiment.
Firstly, after each battery module 3 is placed in each layer support 4 of the battery rack in turn, the battery management unit 12 is connected with the anode and the cathode of each battery, and then the electronic display screen of the front panel of the layer support 4 is connected with the battery management unit 12, at this time, the battery voltage read by the battery management unit 12 is displayed on the electronic display screen in real time.
Further, the battery management unit 12 of each layer of the battery rack is connected with the battery management system to realize the functions of detecting the voltage and the current of the battery, controlling the charge and the discharge of the battery and balancing the battery.
After the arrangement of each battery module 3 in the battery frame is completed, the cooling fans arranged on the lower surface of each partition board 2 in the battery frame are connected with the thermal runaway detection module 6, and meanwhile, the infrared temperature measurement thermal imaging camera and the thermal runaway detection module 6 are respectively and electrically connected with a control cabinet of the energy storage power station.
Further, the thermal runaway detection module 6 controls the infrared thermometry thermal imaging camera to start to reciprocate along the guide rail 7 so as to detect the battery temperature in the corresponding layer support 4, collect battery thermal imaging data and transmit the battery thermal imaging data to the control cabinet of the energy storage power station. The battery thermal imaging data specifically comprises a battery thermal imaging temperature map and a photographed battery video.
Meanwhile, the gas sensor in the thermal runaway detection module 6 is used for collecting the gas concentration data in the corresponding layer support 4, the collected gas concentration data is transmitted to a control cabinet of the energy storage power station, and real-time battery thermal imaging data and gas concentration data are displayed through a display screen on the control cabinet.
And the control cabinet monitors the running state of the battery in the battery rack according to the acquired battery thermal imaging data and the gas concentration data.
Specifically, when the received battery thermal imaging data is higher than a preset first temperature threshold, controlling a cooling fan to start to run so as to cool the battery, and simultaneously controlling an infrared temperature measurement thermal imaging camera to strengthen the detection of the battery area until the battery temperature is recovered to a normal temperature; when the temperature of the battery continuously rises to be higher than a preset second temperature threshold value, the control cabinet performs power-off treatment on the battery frame where the battery is located, and controls the audible and visual alarm to alarm. After the power is off, after the temperature of the battery is recovered to be normal, the technician checks and replaces the battery.
Meanwhile, when the received gas concentration data is higher than a preset concentration threshold value, the control cabinet controls the fire extinguishing system to start, and after passing through the fire pipeline and the guide rail 7, the fire extinguishing agent is precisely sprayed into the corresponding battery layer support 4 through holes on the surface of the guide rail 7 so as to cool and extinguish the thermal runaway battery.
It can be understood that the infrared temperature measurement thermal imaging camera and the thermal runaway detection module 6 are both provided with unique identification codes so as to more quickly and accurately determine the specific position of the battery module 3 layer support 4 in which the abnormal condition occurs.
According to the battery frame provided by the embodiment of the invention, the temperature and the condition of the battery of each battery module can be monitored in real time through the guide rail and the thermal imaging temperature measuring module which are arranged above the battery modules, so that the battery abnormality can be detected more quickly; meanwhile, the thermal runaway detection modules are arranged above the battery modules so as to detect the characteristic gas of the thermal runaway of the battery more quickly, thereby avoiding the influence of detection hysteresis caused by stacking of the battery modules and effectively improving the real-time performance and accuracy of the result.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (9)
1. The battery rack is characterized in that the main body of the battery rack comprises at least two side walls, and a plurality of groups of horizontally distributed partition boards are uniformly arranged between the side walls; wherein,,
a layer support for supporting the battery module is correspondingly arranged below each baffle plate, and the layer support is connected with the side wall in a sliding manner through a sliding rail mechanism;
the lower surface of each baffle is provided with a thermal runaway detection module and a guide rail, a thermal imaging temperature measurement module is arranged above the guide rail, and the thermal imaging temperature measurement module reciprocates along the guide rail;
the guide rail is hollow, one end of the guide rail is closed, and the other end of the guide rail is connected with a fire-fighting pipeline; the upper surface of the guide rail is provided with a plurality of holes which are uniformly distributed and are used for spraying fire extinguishing agent provided by the fire-fighting pipeline;
the thermal imaging temperature measuring module, the thermal runaway detection module and the control platform are electrically connected.
2. The battery rack of claim 1, wherein the lower surface of the separator is further provided with a heat dissipation module electrically connected to the thermal runaway detection module.
3. The battery rack of claim 1, wherein the thermal imaging thermometry module and the thermal runaway detection module are each provided with a unique identification code thereon.
4. The battery rack according to claim 1, wherein a battery management unit connected to the battery module is provided on the front panel of each of the trays, respectively.
5. The battery rack of claim 4, wherein the front panel of the cradle is further provided with an electronic screen, and the electronic screen is electrically connected to the corresponding battery management unit.
6. The battery rack of claim 1, wherein the upper surface of the bottom panel of the layer support is provided with a battery module fixing groove, and the lower surface is provided with a reinforcing beam.
7. The battery rack of claim 1, wherein the thermal runaway detection module comprises a hydrogen sensor, a carbon monoxide sensor, and a volatile organic compound sensor.
8. A container-type energy storage power station, characterized in that a plurality of battery racks as set forth in any one of claims 1 to 7 are installed in a container of the container-type energy storage power station.
9. The battery rack management method is characterized in that the battery rack comprises a plurality of layers of partition boards and layer holders corresponding to the partition boards; the layer support is used for supporting the battery module, a thermal runaway detection module, a heat dissipation module and a guide rail are arranged on the lower surface of the partition board, the interior of the guide rail is communicated with a fire-fighting pipeline, a thermal imaging temperature measurement module is arranged above the guide rail, the thermal imaging temperature measurement module reciprocates along the guide rail, the interior of the guide rail is hollow, one end of the guide rail is closed, and the other end of the guide rail is connected with the fire-fighting pipeline; the upper surface of the guide rail is provided with a plurality of holes which are uniformly distributed and are used for spraying fire extinguishing agent provided by the fire-fighting pipeline;
the management method comprises the following steps:
respectively acquiring battery thermal imaging data acquired by the thermal imaging temperature measuring module and gas concentration data acquired by the thermal runaway detecting module;
when the battery thermal imaging data is higher than a preset temperature threshold, controlling a heat dissipation module to start running; at the same time, the method comprises the steps of,
and when the gas concentration data is higher than a preset concentration threshold value, controlling the fire-fighting pipeline to provide fire extinguishing agent through the guide rail.
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| CN202210159404.XA CN114497786B (en) | 2022-02-22 | 2022-02-22 | Battery rack for container type energy storage power station and management method thereof |
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| CN114497786B true CN114497786B (en) | 2023-06-16 |
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